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Stefan Agner 6871ea4b81 Split execution limit in concurrency and throttle parameters (#6013)
* Split execution limit in concurrency and throttle parameters

Currently the execution limit combines two ortogonal features: Limit
concurrency and throttle execution. This change separates the two
features, allowing for more flexible configuration of job execution.

Ultimately I want to get rid of the old limit parameter. But for ease
of review and migration, I'd like to do this in two steps: First
introduce the new parameters, and map the old limit parameters to the
new parameters. Then, in a second step, remove the old limit parameter
and migrate all users to the new concurrency and throttle parameters
as needed.

* Introduce common lock release method

* Fix THROTTLE_WAIT behavior

The concurrency QUEUE does not really QUEUE throttle limits.

* Add documentation for new concurrency/throttle Job options

* Handle group options for concurrency and throttle separately

* Fix GROUP_THROTTLE_WAIT concurrency setting

We need to use the QUEUE concurrency setting instead of GROUP_QUEUE
for the GROUP_THROTTLE_WAIT execution limit. Otherwise the
test_jobs_decorator.py::test_execution_limit_group_throttle_wait
test deadlocks.

The reason this deadlocks is because GROUP_QUEUE concurrency doesn't
really work because we only can release a group lock if the job is
actually running.

Or put differently, throttling isn't supported with GROUP_*
concurrency options.

* Prevent using any throttling with group concurrency

The group concurrency modes (reject and queue) are not compatible with
any throttling, since we currently can't unlock the group lock when
a job doesn't get started (which is the case when throttling is
applied).

* Fix commit in group rate limit

* Explain the deadlock issue with group locks in code

* Handle locking correctly on throttle limit exceptions

* Introduce pytest for new job decorator combinations
2025-07-30 22:12:14 +02:00
2021-03-16 15:47:40 +01:00
2025-06-16 20:12:27 +02:00
2020-09-03 16:36:09 +02:00
2020-07-29 14:45:37 +02:00
2024-09-30 18:42:08 +02:00

Home Assistant Supervisor

First private cloud solution for home automation

Home Assistant (former Hass.io) is a container-based system for managing your Home Assistant Core installation and related applications. The system is controlled via Home Assistant which communicates with the Supervisor. The Supervisor provides an API to manage the installation. This includes changing network settings or installing and updating software.

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